MDS PREP
Too low intensity of current in electrosurgery results in
1) Persistent bleeding
2) Tissue necrosis
3) Tissue drag
4) All of the above
Conservative Dentistry
Answer: 3
Cutting and grinding procedures are predominantly
1) Two directional
2) Unidirectional
3) Three directional
4) Multidirectional
Conservative Dentistry
Answer: 2
Chronic dental caries manifests as
1) Brown pigmented lesion
2) Undermining of the enamel
3) Greater depth than width
4) Severe pain on stimulation
Conservative Dentistry
Answer: 1
Which of the following dental cements accelerates the formation of reparative dentin?
1) Eugenol
2) Calcium hydroxide
3) Zinc oxide
4) Silica
Conservative Dentistry
Answer: 2
Rake angle is negative
1) If rake face is before radial line
2) If rake face is in line with radial line
3) If rake face is behind radial line
4) None of the above
Conservative Dentistry
Answer: 1
Cement that posses equal radiolucency as dentin
1) Zinc phosphate
2) Silicophosphate
3) Zinc oxide eugenol
4) None of the above
Conservative Dentistry
Answer: 2
Which of the following describes requirements of a sprue?
1) To be as long as possible in order to speed the flow of gold into the mold cavity
2) To be smooth with no sharp corners, and to found into the thickest portion of the wax pattern
3) Both of the above
4) None of the above
Conservative Dentistry
Answer: 2
Pitting of direct gold filling is mainly due to
1. Improper stepping of the condenser
2. Improper angulation of the condenser
3. Improper application of the force
4. Improper size of the condenser